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What are the 2 types of gland in the body?
Exocrine and endocrine
These glands secrete their products into ducts that carry the secretions into body cavities, into the lumen of an organ, or to the outer surface of the body.
What are the types of exocrine glands?
sudoriferous (sweat), sebaceous (oil), mucous, and digestive glands.
These types of glands secrete their products (hormones) into the interstitial fluid surrounding the secretory cells rather than into ducts.
From the interstitial fluid, hormones diffuse into ___ _____ & blood carries them to target cells throughout the ____.
Why are circulating levels of hormones typically low?
Because most hormones are required in very small amounts.
Name the endocrine glands.
pituitary, thyroid, parathyroid, adrenal, and pineal glands.
Name the organs and tissues that are not exclusively classifiet as endocrine glands but contain cells that secrete hormones.
hypothalamus, thymus, pancreas, ovaries, testes, kidneys, stomach, liver, small intestine, skin, heart, adipose tissue and placenta.
What constitute the endocrine system?
All endocrine glands and hormone secreting cells.
The science of the structure and function of the endocrine glands and the diagnosis and treatment of disorders of the endocrine system is what?